US8113540B2 - Driver airbag assembly - Google Patents
Driver airbag assembly Download PDFInfo
- Publication number
- US8113540B2 US8113540B2 US12/604,120 US60412009A US8113540B2 US 8113540 B2 US8113540 B2 US 8113540B2 US 60412009 A US60412009 A US 60412009A US 8113540 B2 US8113540 B2 US 8113540B2
- Authority
- US
- United States
- Prior art keywords
- main body
- mounting plate
- airbag cover
- subsidiary
- subsidiary body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related, expires
Links
- 238000000034 method Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/203—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in steering wheels or steering columns
- B60R21/2035—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in steering wheels or steering columns using modules containing inflator, bag and cover attachable to the steering wheel as a complete sub-unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/0076—Switches therefor
- B60Q1/0082—Switches therefor mounted on the steering wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/215—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2304/00—Optimising design; Manufacturing; Testing
- B60Y2304/05—Reducing production costs, e.g. by redesign
Definitions
- the present invention relates to a driver airbag assembly which has a construction in which a remote control switch is installed on an airbag cover.
- a driver airbag is mounted to the steering wheel of a vehicle, and is deployed immediately in the event of a vehicle collision so as to protect a driver.
- a steering wheel cover serves as an airbag cover 2 .
- Remote control switches 3 may be provided on the airbag cover 2 to adjust the volume of an audio system or the like.
- a driver airbag assembly 1 includes a cushion module 5 which is provided on the back of the airbag cover 2 , and a mounting plate 4 which is coupled with the airbag cover 2 to cover the cushion module 5 .
- the airbag cover 2 and the mounting plate 4 are fastened to each other via rivets 7 so as to prevent the assembly 1 from becoming disassembled, thus preventing a part from being illegally replaced with another one.
- Reference numeral 6 denotes a horn plate.
- each remote control switch 3 is actuated in the manner of a push button, a structure for supporting the rear end of the remote control switch 3 is required.
- the rear end of the remote control switch 3 may be supported by each of wings 4 a which extend leftwards and rightwards from the upper end of the mounting plate 4 .
- wings 4 a which extend leftwards and rightwards from the upper end of the mounting plate 4 .
- the remote control switch may be directly bolted to the airbag cover, so that it is unnecessary for the remote control switch to be supported by the mounting plate. In this case, the separation or replacement of only the remote control switch is possible.
- the airbag cover to which the remote control switch is mounted must be manufactured through double injection molding so as to reinforce the airbag cover. Consequently, the manufacturing cost of the airbag cover increases.
- Various aspects of the present invention are directed to provide a driver airbag assembly, which is constructed to permit the separation or replacement of a remote control switch mounted to an airbag cover and to provide a driver airbag assembly, which does not require an additional process such as a double injection molding process and has a simple construction so as to prevent manufacturing costs from increasing, in addition to permitting the separation and replacement of a remote control switch.
- the driver airbag assembly may include an airbag cover including a switch insert hole; a cushion module provided in back of the airbag cover and engaged with the airbag cover; a mounting plate coupled to the airbag cover in the back thereof to support a rear end portion of the cushion module between the airbag cover and the mounting plate, and having a wing which extends laterally; and a remote control switch unit including: a main body disposed between the airbag cover and the mounting plate; a switch part disposed in the main body and exposed to outside of the airbag cover through the switch insert hole; and a subsidiary body interposed and secured between the main body and the wing of the mounting plate and slidable laterally along the main body to be removable from a predetermined position of the main body.
- a guide portion may be provided in a rear surface of the main body to receive the subsidiary body such that the subsidiary body slides along the guide portion to be seated at the predetermined position or removed from the predetermined position.
- the subsidiary body may be removably secured to the main body and the mounting plate.
- a bottom portion of the subsidiary body may be slidably secured to the main body and an upper portion thereof is removably secured to the wing of the mounting plate, wherein a flange protrudes laterally from the subsidiary body along a movement direction of the subsidiary body, and a bracket is provided on the main body corresponding to the flange of the subsidiary body so that the flange is slidably fitted into the bracket, and wherein the upper portion of the subsidiary body is removably secured to the wing of the mounting plate by a bolt.
- At least one tube having an internal threaded part may be provided around the guide portion on the rear surface of the main body, and at least one ear part protrudes from a lateral surface of the subsidiary body to be releasably fastened to the tube by a fastening member.
- FIG. 1A is a front view illustrating a conventional driver airbag assembly.
- FIG. 1B is a rear view illustrating the driver airbag assembly of FIG. 1A .
- FIG. 2 is a rear view illustrating a driver airbag assembly according to the exemplary embodiment of the present invention.
- FIG. 3 is an exploded perspective view illustrating the driver airbag assembly of FIG. 2 .
- FIG. 4 is a perspective view illustrating a remote control switch unit of FIG. 2 .
- FIGS. 5A to 5E are views sequentially illustrating the process of separating the remote control switch unit from the driver airbag assembly of FIG. 2 .
- the driver airbag assembly 10 is constructed so that a cushion module 50 is placed between an airbag cover 20 and a mounting plate 40 coupled therewith.
- the driver airbag assembly 10 is mounted to a steering wheel via a horn plate 60 which is elastically coupled to the mounting plate 40 .
- Remote control switch units 30 are mounted to the airbag cover 20 .
- the rear end of each remote control switch unit 30 is supported by the mounting plate 40 .
- Reference numeral 47 denotes a spring.
- the airbag cover 20 is provided with a central module insert cavity 22 which is surrounded by a wall 21 , and two switch insert holes 23 which are provided in the left and right sides of the upper end of the airbag cover 20 so as to mount the remote control switch units 30 to the airbag cover 20 .
- the cushion module 50 is seated in the module insert cavity 22 . After the cushion module 50 has been seated, the open side of the module insert cavity 22 is closed by the mounting plate 40 .
- the cushion module 50 is an assembly including a cushion and an inflator, and is omitted in FIG. 3 .
- Reference numeral 24 denotes an emblem mounting hole.
- the mounting plate 40 is in close contact with the rear end of the cushion module 50 to support it.
- Wings 41 are provided on the upper end of the mounting plate 40 in such a way as to extend laterally, and a sidewall 46 is provided on the mounting plate 40 to be fitted into the module insert cavity 22 .
- the mounting plate 40 is placed in back of the airbag cover 20 and is fixedly fastened to the airbag cover 20 .
- the wall 21 surrounding the module insert cavity 22 and the sidewall 46 are fastened to each other using rivets 45 .
- a central hole 44 is formed in the central portion of the mounting plate 40 to be electrically connected to an airbag control unit.
- each remote control switch unit 30 includes a main body 31 and a subsidiary body 32 which is separable from the main body 31 .
- the main body 31 is placed on the airbag cover 20 and provided with a switch part 31 f which is exposed to the front of the airbag cover 20 through the associated switch insert hole 23 of the airbag cover 20 .
- the switch part 31 f has a size which is slightly smaller than the switch insert hole 23 , and parts other than the switch part 31 f are larger than the switch insert hole 23 . Referring to FIG. 3 , the switch part 31 f of the main body 31 is moved downwards to be inserted into the switch insert hole 23 , so that the main body 31 is mounted to the switch insert hole 23 . The operation of additionally fastening the main body 31 to the airbag cover 20 is not required.
- a guide portion 31 c is provided in the back of the main body 31 , so that the subsidiary body 32 slides along the guide portion 31 c to be seated at a predetermined position or removed from the position.
- a bracket 31 d having an “L”-shaped cross-section is provided in the longitudinal direction of the guide portion 31 c .
- Tubes 31 a and 31 b each having an internal threaded part are provided around the guide portion 31 c , namely, provided at a position opposite to the bracket 31 d and a position in the sliding direction of the subsidiary body 32 .
- Reference numeral 34 denotes a connector which is electrically connected to the switch part 31 f
- reference numeral 31 e denotes a connector mounting hole.
- the subsidiary body 32 is supported by the associated wing 41 of the mounting plate 40 and removably secured to the main body 31 and the mounting plate 40 .
- the subsidiary body 32 and each wing 41 of the mounting plate 40 are fastened to each other via bolts 43
- the subsidiary body 32 and the main body 31 are fastened to each other via piece bolts 33 .
- fastening holes 32 d are formed in the upper surface of the subsidiary body 32 to correspond to through holes 42 which are formed in each wing 41
- two ear parts 32 a and 32 b protrude from the side surface of the subsidiary body 32 to be coupled to the tubes 31 a and 31 b using the piece bolts 33 .
- a flange 32 c protrudes laterally from the subsidiary body 32 to be fitted into the bracket 31 d.
- the bolts 43 fastening each wing 41 of the mounting plate 40 to the subsidiary body 32 must be removed (see FIG. 5A ).
- the piece bolts 33 fastening the subsidiary body 32 to the main body 31 must be removed (see FIG. 5B ).
- the subsidiary body 32 corresponds to a member which is supported between the main body 31 and the associated wing 41 . Thus, after the subsidiary body 32 has been removed, it is possible to remove the main body 31 .
- the subsidiary body 32 slides laterally along the guide portion 31 c of the main body 31 , so that the subsidiary body 32 is removed from its fastening position.
- a step 31 g is provided on the back of the main body 31 corresponding to the fastening position, especially, at the innermost position in the longitudinal direction of the guide portion 31 c , thus stopping the subsidiary body 32 at a given position.
- the ear part 32 a of the subsidiary body 32 must be positioned at a predetermined height such that it is placed right above the tube 31 a.
- a space corresponding to the height of the subsidiary body 32 is formed. Owing to the space, the main body 31 may be removed from the assembly 10 . In detail, the main body 31 is lifted so that the switch part 31 f is completely removed from the switch insert hole 23 . Thereafter, as the main body 31 moves laterally, the main body 31 is removed from the switch insert hole 23 .
- the height or thickness of the subsidiary body 32 is determined in consideration of the above-mentioned space.
- the remote control switch unit 30 may be assembled with the driver airbag assembly 10 in the reverse order of the process of separating the remote control switch unit 30 from the driver airbag assembly 10 . Further, the first assembling operation of the driver airbag assembly 10 is performed as follows. That is, in the state where the cushion module 50 is seated in the module insert cavity 22 and the remote control switch unit 30 whose main body 31 and subsidiary body 32 are fastened to each other is seated in the switch insert hole 23 , the back of the airbag cover 20 is covered by the mounting plate 40 , and each wing 41 and the subsidiary body 32 are fastened to each other using the bolts 43 . Thereafter, the airbag cover 20 and the mounting plate 40 are fastened to each other using the rivets.
- the flange 32 c is coupled with the bracket 31 d to easily guide the subsidiary body 32 along the guide portion 31 c while the subsidiary body 32 is separated from the main body 31 or the subsidiary body 32 is assembled with the main body 31 . Further, the flange 32 c is coupled with the bracket 31 d so that the subsidiary body 32 is temporarily secured at the fastening position on the main body 31 , thus allowing the main body 31 and the subsidiary body 32 to be easily fastened to each other using the piece bolts 33 .
- the present invention provides a driver airbag assembly, which permits the easy separation and replacement of a remote control switch mounted to an airbag cover, regardless of whether the airbag cover and a mounting plate are riveted to each other.
- the present invention provides a driver airbag assembly, which does not require an additional process such as a double injection molding process and is simply constructed so that a remote control switch unit comprises two separable members, thus permitting the separation and replacement of the remote control switch unit, therefore reducing the manufacturing cost of the driver airbag assembly.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Bags (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090013298A KR101020555B1 (ko) | 2009-02-18 | 2009-02-18 | 운전석 에어백 어셈블리 |
KR10-2009-0013298 | 2009-02-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
US20100207362A1 US20100207362A1 (en) | 2010-08-19 |
US8113540B2 true US8113540B2 (en) | 2012-02-14 |
Family
ID=42559221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/604,120 Expired - Fee Related US8113540B2 (en) | 2009-02-18 | 2009-10-22 | Driver airbag assembly |
Country Status (2)
Country | Link |
---|---|
US (1) | US8113540B2 (ko) |
KR (1) | KR101020555B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9180831B2 (en) * | 2013-11-29 | 2015-11-10 | Hyundai Mobis Co., Ltd. | Driver airbag apparatus |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101106292B1 (ko) * | 2009-12-09 | 2012-01-18 | 아우토리브 디벨롭먼트 아베 | 에어백 모듈에 내장되는 리모콘 조립구조 |
KR101552657B1 (ko) | 2012-01-12 | 2015-09-14 | 아우토리브 디벨롭먼트 아베 | 에어백 모듈과 리모콘 스위치 유닛의 조립체 |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4148503A (en) * | 1976-03-26 | 1979-04-10 | Toyota Jidosha Kogyo Kabushiki Kaisha | Inflating type occupant restraint device |
US4325568A (en) * | 1980-07-28 | 1982-04-20 | General Motors Corporation | Modular occupant restraint system |
US5085461A (en) * | 1989-03-24 | 1992-02-04 | Mazda Motor Corporation | Air bag mount device for steering wheel including control switches |
US5280949A (en) * | 1990-03-30 | 1994-01-25 | Mazda Motor Corporation | Air bag device for automobile |
US5314203A (en) * | 1992-01-15 | 1994-05-24 | Morton International, Inc. | Driver-side module attach bracket |
US5338906A (en) * | 1991-12-17 | 1994-08-16 | Takata Corporation | Module cover of air bag system |
US5431438A (en) * | 1990-03-29 | 1995-07-11 | Mazda Motor Corporation | Air bag system for automotive vehicle |
US5542694A (en) * | 1995-05-26 | 1996-08-06 | Larry J. Winget | Thermoplastic air bag cover having a unitary multifunctional domed switching module |
US5573268A (en) * | 1995-07-19 | 1996-11-12 | Morton International, Inc. | Driver's side airbag cover incorporating function switches |
US5829777A (en) * | 1995-07-31 | 1998-11-03 | Toyoda Gosei Co., Ltd. | Air bag device |
US5957489A (en) * | 1995-02-27 | 1999-09-28 | Toyoda Gosei Co., Ltd. | Steering wheel |
US6626458B2 (en) * | 2000-09-26 | 2003-09-30 | Toyoda Gosei Co., Ltd. | Steering wheel having airbag apparatus |
US6907328B2 (en) * | 2003-06-10 | 2005-06-14 | Motorola, Inc. | Switch apparatus for a driver information interface |
US6967296B2 (en) * | 2003-11-10 | 2005-11-22 | Alps Electric Co., Ltd. | Steering switch device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10244899A (ja) | 1997-03-05 | 1998-09-14 | Autoliv Japan Kk | エアバッグモジュール |
JP2001354100A (ja) | 2000-06-13 | 2001-12-25 | Takata Corp | 運転席用エアバッグ装置の取付構造 |
KR100704229B1 (ko) | 2005-10-20 | 2007-04-09 | 델파이코리아 주식회사 | 운전석용 에어백 모듈 |
-
2009
- 2009-02-18 KR KR1020090013298A patent/KR101020555B1/ko not_active IP Right Cessation
- 2009-10-22 US US12/604,120 patent/US8113540B2/en not_active Expired - Fee Related
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4148503A (en) * | 1976-03-26 | 1979-04-10 | Toyota Jidosha Kogyo Kabushiki Kaisha | Inflating type occupant restraint device |
US4325568A (en) * | 1980-07-28 | 1982-04-20 | General Motors Corporation | Modular occupant restraint system |
US5085461A (en) * | 1989-03-24 | 1992-02-04 | Mazda Motor Corporation | Air bag mount device for steering wheel including control switches |
US5431438A (en) * | 1990-03-29 | 1995-07-11 | Mazda Motor Corporation | Air bag system for automotive vehicle |
US5280949A (en) * | 1990-03-30 | 1994-01-25 | Mazda Motor Corporation | Air bag device for automobile |
US5338906A (en) * | 1991-12-17 | 1994-08-16 | Takata Corporation | Module cover of air bag system |
US5314203A (en) * | 1992-01-15 | 1994-05-24 | Morton International, Inc. | Driver-side module attach bracket |
US5957489A (en) * | 1995-02-27 | 1999-09-28 | Toyoda Gosei Co., Ltd. | Steering wheel |
US5542694A (en) * | 1995-05-26 | 1996-08-06 | Larry J. Winget | Thermoplastic air bag cover having a unitary multifunctional domed switching module |
US5573268A (en) * | 1995-07-19 | 1996-11-12 | Morton International, Inc. | Driver's side airbag cover incorporating function switches |
US5829777A (en) * | 1995-07-31 | 1998-11-03 | Toyoda Gosei Co., Ltd. | Air bag device |
US6626458B2 (en) * | 2000-09-26 | 2003-09-30 | Toyoda Gosei Co., Ltd. | Steering wheel having airbag apparatus |
US6837514B1 (en) * | 2000-09-26 | 2005-01-04 | Toyoda Gosei Co., Ltd. | Steering wheel having airbag apparatus |
US6907328B2 (en) * | 2003-06-10 | 2005-06-14 | Motorola, Inc. | Switch apparatus for a driver information interface |
US6967296B2 (en) * | 2003-11-10 | 2005-11-22 | Alps Electric Co., Ltd. | Steering switch device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9180831B2 (en) * | 2013-11-29 | 2015-11-10 | Hyundai Mobis Co., Ltd. | Driver airbag apparatus |
Also Published As
Publication number | Publication date |
---|---|
KR20100094061A (ko) | 2010-08-26 |
KR101020555B1 (ko) | 2011-03-09 |
US20100207362A1 (en) | 2010-08-19 |
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Owner name: HYUNDAI MOTOR COMPANY, KOREA, REPUBLIC OF Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NO, BYUNG WOO;REEL/FRAME:023411/0534 Effective date: 20090916 |
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Year of fee payment: 4 |
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Free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
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STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
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Effective date: 20200214 |